2125021747824 has 60 divisors (see below), whose sum is σ = 5947681332216. Its totient is φ = 708272470656.

The previous prime is 2125021747813. The next prime is 2125021747829. The reversal of 2125021747824 is 4287471205212.

2125021747824 is a `hidden beast` number, since 2 + 1 + 2 + 502 + 1 + 74 + 78 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2125021747824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125021747829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804427 + ... + 2212949.

Almost surely, 2^{2125021747824} is an apocalyptic number.

2125021747824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2125021747824 is an abundant number, since it is smaller than the sum of its proper divisors (3822659584392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125021747824 is a wasteful number, since it uses less digits than its factorization.

2125021747824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419014 (or 1419005 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 2125021747824 in words is "two trillion, one hundred twenty-five billion, twenty-one million, seven hundred forty-seven thousand, eight hundred twenty-four".